2 # description: event trigger - test field variable support
16 if [ ! -f set_event ]; then
17 echo "event tracing is not supported"
21 if [ ! -f synthetic_events ]; then
22 echo "synthetic event is not supported"
26 clear_synthetic_events
30 echo "Test field variable support"
32 echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events
33 echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
34 echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
35 echo 'hist:keys=pid,prio,comm:vals=lat:sort=pid,prio' > events/synthetic/wakeup_latency/trigger
38 if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
39 fail "Failed to create inter-event histogram"
42 if ! grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then
43 fail "Failed to create histogram with field variable"
46 echo '!hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
48 if grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then
49 fail "Failed to remove histogram with field variable"